Golang unzip files with directory

package main

import (
   "archive/zip"
   "fmt"
   "io/ioutil"
   "os"
)

func main(){

   zipFile,err := zip.OpenReader("test.zip")
   if err != nil{
      panic(err)
   }
   for _,val := range zipFile.File{
      if val.FileInfo().IsDir(){
         os.Mkdir(val.Name,val.Mode())
      }else {
         decfile,err := os.OpenFile(val.Name,os.O_CREATE|int(val.Flags),val.FileHeader.Mode())
         if err != nil{
            fmt.Println(err)
            fmt.Println(val.Name+"创建失败,重新解压")
         }
         srcfile,err := val.Open()
         data,err := ioutil.ReadAll(srcfile)
         ERR IF! = nil { 
            fmt.Println ( "read failure") 
         } 
         decfile.Write (Data) 
      } 
   } 
}